{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell line", "protein", "DNA", "RNA", "cell type"], "input": "The purpose of these studies was to investigate the modulation of the proliferation of human T cells obtained from peripheral blood by dexamethasone ( DEX ), isoproterenol ( ISO ), and prostaglandin E2 ( PGE2 )."}
{"cell line": [], "protein": [], "DNA": [], "RNA": [], "cell type": ["human T cells"]}